Rillo, O L Coexistence of diffuse idiopathic skeletal hyperostosis and ankylosing spondylitis. [electronic resource] - Clinical rheumatology Dec 1989 - 499-503 p. digital Publication Type: Case Reports; Journal Article ISSN: 0770-3198 Standard No.: 10.1007/BF02032103 doi Subjects--Topical Terms: Calcinosis--diagnostic imagingDiagnosis, DifferentialHumansHyperostosis, Diffuse Idiopathic Skeletal--diagnostic imagingMaleMiddle AgedOssification, Heterotopic--diagnostic imagingSpinal Osteophytosis--diagnostic imagingSpondylitis, Ankylosing--diagnostic imagingTomography, X-Ray Computed